根據ip判斷返回城市名稱查詢當地天氣

header("content-type:text/html;charset=utf-8");
date_default_timezone_set("Asia/Shanghai");
error_reporting(0);
// 根據IPanghai");
error_reporting(0);
// 依照這個城市
user_ipip = $_SERVER['REMOTE_ADDR'];
$url ="http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=$user_ip";

$address = file_get_contents($url );

$address_arr = json_decode($address);　　//返回對象，需要轉換為陣列

//以上海為例stdClass Object([ret] => 1[start] => -1[end] => -1[country] => 中國[province] => 上海[city] => 上海[district] =>[isp] =>[type] =>[desc] =>)

function object_array($array){
　　if(is_object($array)){
　　　　$array = (array)$array;🀜 　　　$array = (array)$array;🀜 　　『　　foreach($array as $key=> $value){
　　　　　　$array[$key] = object_array($value);🀎 　　　　}
　〜}
　　　}
　〜}
　〜returnreturns $
//透過此函數轉換為陣列

$address_arr = object_array($address_arr);

// print_r($address_arr);

Array            

$city = $address_arr["city"];  

//輸出為上海，取得城市透過百度天氣API查詢當地天氣

$con=file_get_contents("http://api.map.baidu.com/telematics/v3/weather?location=$city&output=json&ak=spmMww7Eoqcmf3FXbnLyDUwL");　　////注意ak值需要進入百度登錄機碼，附加位址：http://lbsyun.baidu.com/apiconsole/key
$con = json_decode($con);

print_r($con);

(
[ret] => 1
[start] => -1
[end] => -1
[country] => 中國
[province] => 上海
[city] => 上海
[district] =>
[isp] =>
[type] =>
[desc] =>
)

stdClass Object
	(
	[error] => 0
	[status] => success
	[date] => 2016-09-23
	[results] => Array
	(
	[0] => stdClass Object
	(
	[currentCity] => 上海
	[pm25] => 42
	[index] => Array
	(
	[0] => stdClass Object
	(
	[title] => 穿衣
	[zs] => 熱
	[tipt] => 穿衣指數
	[des] => 天氣熱，建議短裙、短褲、短薄外套、T恤等夏季服裝。
	)
	[1] => stdClass Object
	(
	[title] => 洗車
	[zs] => 較適合
	[tipt] => 洗車指數
	[des] => 較適合洗車，未來一天無雨，風力較小，擦洗一新的汽車至少能維持一天。
	)
	[2] => stdClass Object
	(
	[title] => 旅遊
	[zs] => 適宜
	[tipt] => 旅遊指數
	[des] => 天氣較好，但絲毫不會影響您出行的心情。溫度適宜又有微風相伴，適合旅遊。
	)
	[3] => stdClass Object
	(
	[title] => 感冒
	[zs] => 少發
	[tipt] => 感冒指數
	[des] => 各項氣象條件適宜，無明顯降溫過程，發生感冒機率較低。
	)
	[4] => stdClass Object
	(
	[title] => 運動
	[zs] => 較適合
	[tipt] => 運動指數
	[des] => 天氣較好，戶外運動請注意防曬。推薦您進行室內運動。
	)
	[5] => stdClass Object
	(
	[title] => 紫外線強度
	[zs] => 弱
	[tipt] => 紫外線強度指數
	[des] => 紫外線強度較弱，建議出門前塗抹SPF在12-15之間、PA+的防曬保養品。
	)
	)
	[weather_data] => Array
	(
	[0] => stdClass Object
	(
	[date] => 週五 09月23日 (即時：26℃)
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => 多雲
	[wind] => 東風微風
	[temperature] => 27 ~ 21℃
	)
	[1] => stdClass Object
	(
	[date] => 週六
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => 多雲
	[wind] => 東風微風
	[temperature] => 28 ~ 23℃
	)
	[2] => stdClass Object
	(
	[date] => 週日
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => 多雲轉陰
	[wind] => 東風微風
	[temperature] => 28 ~ 23℃
	)
	[3] => stdClass Object
	(
	[date] => 週一
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => 多雲轉陰
	[wind] => 東北風微風
	[temperature] => 29 ~ 25℃
	)
	）
	）
	）
	）

$arr = object_array($con);  //繼續轉換成陣列運算

$detail = $arr["results"][0]["weather_data"];
$city = $arr["results"][0]["currentCity"];

print_r($detail);

Array
	(
	[0] => Array
	(
	[date] => 週五 09月23日 (即時：26℃)
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => 多雲
	[wind] => 東風微風
	[temperature] => 27 ~ 21℃
	)
	[1] => Array
	(
	[date] => 週六
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/duoyun.png
	[weather] => 多雲
	[wind] => 東風微風
	[temperature] => 28 ~ 23℃
	)
	[2] => Array
	(
	[date] => 週日
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => 多雲轉陰
	[wind] => 東風微風
	[temperature] => 28 ~ 23℃
	)
	[3] => Array
	(
	[date] => 週一
	[dayPictureUrl] => http://api.map.baidu.com/images/weather/day/duoyun.png
	[nightPictureUrl] => http://api.map.baidu.com/images/weather/night/yin.png
	[weather] => 多雲轉陰
	[wind] => 東北風微風
	[temperature] => 29 ~ 25℃
	)
	)

//取得天氣數據，依照自己需求進行調整

?>